.img {
  width: 100vw;
  height: 70vh;
  img {
    width: 100%;
    height: 70vh;
  }
}
.rvnavbar__content {
  position: sticky !important;
  z-index: 99999 !important;
  top: 0;
}
.titlebut {
  margin: 0 auto;
  width: 50vw;
  height: 10vh;
  button {
    width: 50vw;
    height: 10vh;
    font-size: 20px;
    font-weight: 800;
    border-radius: 5vh;
    background: #96c0ff;
    border: #fff 5px solid;
  }
}
.listevent {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-around;
  flex-direction: row;
  div {
    margin: 10px 0px;
    width: 45vw;
    img {
      width: 100%;
    }
  }
}

.jiankang {
  background: #8ed4f8;
  width: 100vw;
}
.ms {
  background: #f34b41;
  width: 100vw;
}
.hufu {
  background: #8cb0ec;
  width: 100vw;
}
.lcimg {
  width: 100vw;
  height: 33vh;
  background: #007bf7;
  img {
    width: 100vw;
  }
}

.opticbox {
  padding: 2px;
  border: 4px solid rgba($color: hwb(0 87% 11%), $alpha: 0.2);
  border-radius: 5vw;
  margin: 0 auto;
}

.ProjectIntroduction {
  width: 95vw;
  height: 22vh;
  background: 4px #fff;
  border-radius: 5vw;
}
.main {
  width: 100vw;
  height: 60vh;
  background: #007bf7;
}
